Vial enclosure



FIG. 1 is a perspective view of a vial enclosure showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a right-side elevational view thereof. 

The ornamental design for a vial enclosure, substantially as shown and described. 